A Mutation Occurs in the Promoter of a Protein-Encoding Gene

question 66

Multiple Choice

A mutation occurs in the promoter of a protein-encoding gene.How might this mutation affect the production of the protein encoded by the gene?

• A) The mRNA made from this gene would exhibit the same mutation and therefore would not fold or function properly.
• B) The protein made from the promoter would have a different amino acid sequence and therefore would not function properly.
• C) The promoter might not be recognized by RNA polymerase, so the enzyme would be unable to attach to the promoter and start transcription.
• D) The start codon would be missing from the mRNA made from this gene, so the mRNA could not be translated.

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Definitions:

Assembly

The process of putting together various components or pieces to build a finished product.

Predetermined Overhead Rate

A rate calculated before the accounting period begins, used to estimate the cost of manufacturing overhead for a specific activity base.

Machine-Hours

An indicator of the time spent in production, calculating the duration in hours that machinery is active during the manufacturing cycle.

Direct Labor-Hours

The accumulated hours spent by workers directly involved in manufacturing activities.